<div id="bottom" <?php if ($this->_var['act'] == cate): ?> class='none' <?php endif; ?>  >
    <div class="box">
        <div class="bottom_left">

        <div class="cart_num"><?php 
$k = array (
  'name' => 'cart_num',
);
echo $this->_echash . $k['name'] . '|' . serialize($k) . $this->_echash;
?></div>

        <a href="user.php?user=1"></a>
        <a href="flow.php"></a>
        <a href="user.php?act=collection_list"></a>
        </div>
    <div class="bottom_right none" onclick="$('body,html').animate({scrollTop:0},500);"></div>
    </div>

</div>
<script type="text/javascript">var cnzz_protocol = (("https:" == document.location.protocol) ? " https://" : " http://");document.write(unescape("%3Cspan id='cnzz_stat_icon_1253986954'%3E%3C/span%3E%3Cscript src='" + cnzz_protocol + "w.cnzz.com/q_stat.php%3Fid%3D1253986954' type='text/javascript'%3E%3C/script%3E"));</script>
<script type="text/javascript">
	var cart_num = $('.cart_num').html();
	if(cart_num ==0){
		$('.cart_num').addClass('none');
	}
	/*滚动3屏后显示返回顶部*/
window.onscroll = function(){
	var top= $(document).scrollTop();
	var height = $(window).height();
	if(height*3>top){
		$('.bottom_right').addClass('none');
	}
	else{
		$('.bottom_right').removeClass('none');
	}

}




</script>